Copper AA Standard (Cu) Back Catalog number: 50459 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8799.12-100-IO 2,2',3,3',4',5,6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-70-4 Price on request 32011 Benzene Price on request 92134 EPA Method 525 Pesticide Standard Price on request